The American Board of Otalaryngology: 1950-1979.
D002568:Certification / Q000266:history*; D004501:Education, Medical / Q000266:history; D049673:History, 20th Century; D007396:Internship and Residency / Q000266:history; D010036:Otolaryngology / Q000193:education / Q000266:history*; D013044:Specialty Boards / Q000266:history*; D014481:United States